Search a number
-
+
148903646 = 21719230501
BaseRepresentation
bin10001110000000…
…01011011011110
3101101012002101212
420320001123132
5301104404041
622435304422
73455442263
oct1070013336
9341162355
10148903646
1177063571
1241a4b112
1324b06b88
1415ac126a
15d1148eb
hex8e016de

148903646 has 16 divisors (see below), whose sum is σ = 248942160. Its totient is φ = 66384000.

The previous prime is 148903637. The next prime is 148903649. The reversal of 148903646 is 646309841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148903649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114605 + ... + 115896.

It is an arithmetic number, because the mean of its divisors is an integer number (15558885).

Almost surely, 2148903646 is an apocalyptic number.

148903646 is a deficient number, since it is larger than the sum of its proper divisors (100038514).

148903646 is a wasteful number, since it uses less digits than its factorization.

148903646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230539.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 148903646 is about 12202.6081638312. The cubic root of 148903646 is about 530.0316179073.

The spelling of 148903646 in words is "one hundred forty-eight million, nine hundred three thousand, six hundred forty-six".

Divisors: 1 2 17 19 34 38 323 646 230501 461002 3918517 4379519 7837034 8759038 74451823 148903646